NEW YORK (AP) — Grammy winner Ne-Yo wants $8 million from his ex-manager.

The Daily News reports (http://nydn.us/1lgmBAH ) that the R&B singer-songwriter has sued one-time manager and confidant Kevin Foster in Manhattan federal court. Foster started handling Ne-Yo’s finances in 2005.

The lawsuit says Foster moved some of Ne-Yo’s money without permission. It also alleges that Foster faked Ne-Yo’s name on loan documents and invested Ne-Yo’s money in a water company that was teetering on the edge of bankruptcy.

The lawsuit seeks $4.5 million plus $3.5 million in fees that Ne-Yo, 34, says he paid Foster.

The Daily News says a phone number for Foster’s firm was out of service.

Ne-Yo’s real name is Shaffer Smith. His representative didn’t return an email seeking comment Thursday.

Ne-Yo has written hits for Beyonce and Rihanna.

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Information from: Daily News, http://www.nydailynews.com